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US Patent: 3,557,849
Tree harvester
Patentee:
Edwin O. Martinson (exact or similar names) - Milwaukee, WI

USPTO Classifications:
144/4.1, 414/23

Tool Categories:
woodworking machines : specialty woodworking machines : tree felling machines

Assignees:
Koehring-Waterous Ltd. - Brantford, ON Canada

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 11, 1969
Granted: Jan. 26, 1971

Patent Pictures:
USPTO (New site tip)
Google Patents
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